198346735

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 258007680

約数和(自身を除く): 59660945

約数列:

[1, 5, 17, 85, 89, 157, 167, 445, 785, 835, 1513, 2669, 2839, 7565, 13345, 13973, 14195, 14863, 26219, 69865, 74315, 131095, 237541, 252671, 445723, 1187705, 1263355, 2228615, 2333491, 11667455, 39669347, 198346735]

約数ペア:

[(1, 198346735), (5, 39669347), (17, 11667455), (85, 2333491), (89, 2228615), (157, 1263355), (167, 1187705), (445, 445723), (785, 252671), (835, 237541), (1513, 131095), (2669, 74315), (2839, 69865), (7565, 26219), (13345, 14863), (13973, 14195)]